body, html, h1, h2, h3, h4, h5, h6, ul, ol, li, dl, dt, dd, header, menu, section, p, input, td, th, ins {
    padding: 0;
    margin: 0;
  }

  a {
    text-decoration: none;
    color: #333;
  }

  img {
    vertical-align: top;
  }

  ul, li {
    list-style: none;
  }

  button {
    outline: none;
    border: none;
  }
